Compare and contrast the production of a planttumor by Agrobacterium tumefaciens and a root noduleby a Rhizobium species. In what ways are thesestructures similar? In what ways are they different?Of what importance are plasmids to the developmentof both structures?

Q: Function of Leghaemoglobin in nitrogen fixation _____. A) Absorption of oxygen B) Nutrion of…

A: Especially, the leghemoglobin is a type of oxygen-carrying type of phytoglobin found nitrogen-fixing…

Q: Why are cynobateria used in agricultural fields of crop improvement?

A: Cyanobacteria are nitrogen fixing bacteria and this can be achieved by a structure known as…

Q: Developing antifungal drusg is more difficult than developin antibacterial drugs. compounds that…

A: Antifungal drugs are also known as antimycotic medication. They are pharmaceutical fungicides that…

Q: Which of the following statements is true regarding mycorrhizal relationships?   a this…

A: In the nature different species are associated with each other with different types of interactions…

Q: How do mycorrhizae function as biofertilisers? Explain with example.

A: Mycorrhizal association is a mutual relationship between the mycorrhizae (soil fungi) and plant…

Q: Discuss the development of a corn borer. How does it damage a corn plant?

A: A Corn boner is a pest of corn.

Q: What the term ‘colonization’ means in pathogenesis? Why it is so important for the plantdisease…

A: Microbial Pathogenesis is a complex process by which microbes can infect a host. Pathogens utilize a…

Q: Symbiotic relationships with Nitrogen-fixing Bacteria: Rhizobium bacteria normally inhabit the soil.…

A: The plant needs nitrogen to make amino acids, the precursors of the Protein. But plants can not take…

Q: Describe how a vegetative cell, a heterocyst, and an akinete are different. How are heterocysts…

A: To describe: To describe vegetative cell, a heterocyst, and akinete uses and to determine how…

Q: How does the genus name of Diphyllobothrium latum reflect the appearance of the scolex?

A: Introduction Diphyllobothrium is a tapeworm genus that can cause diphyllobothriasis in humans if raw…

Q: Dikaryon formation is the characteristic feature of (a) ascomycetes and basidiomycetes. (b)…

A: There are four categories of kingdom fungi- ascomycetes, Phycomycetes group, basidiomycetes, and…

Q: Which of the following is not a way in which antifungaldrugs are effective?(a) They interfere with…

A: Antifungal drugs: The drugs which are active against fungi is referred to as antifungal agents.

Q: Some endophytes produce compounds that fight bacteria, makingthem potential new sources of…

A: A fungus (plural: fungi or funguses) is any individual from the gathering of eukaryotic life forms…

Q: Describe the use of Agrobacterium tumefaciens to producetransgenic plants.

A: A genetically modified organism (GMO) is any organism whose genetic material has been changed…

Q: In mycorrhizal associations with plants what are the structures produced by VAM fungi and…

A: The study of tiny living creatures such as bacteria, viruses, fungus, algae, and protozoa is known…

Q: Superficially, Apiosporina morbosa (causal agent of black knot of cherry) appears morphologically…

A: Apiosporina morbosa also called Dibotryon morbosum causes black knot in cheery, plum, apricot etc.…

Q: What advantage might a prosthecate organism have in a verynutrient-poor environment?

A: Prosthecate bacteria are a non-phylogenetically related gathering of Gram-negative microbes that…

Q: Which of the following is the smallest living cell and can live without oxygen? (a) Mycoplasma (b)…

A: The pathway where glucose is broken down into molecules in the absence of oxygen to generate energy…

Q: Identify mycorrhizal structure that penetrates into plant roots and reasons behind this. Also,…

A: Hyphae penetrates into plant roots,also called Endomycorrhizal fungi , they colonize the root system…

Q: Why would it be disadvantageous for a plant to form a symbiotic relationship with a mycorrhizal…

A: Symbiotic relationship involves two different organisms are interacting in close physical…

Q: How do rhizobial root nodules benefit a plant?

A: Rhizobial root nodule Legume plants contain root nodules. These nodules symbiotically associate with…

Q: The cap and stipe are made of filaments of peptidoglycan aerial hyphae filaments of ergosterol O…

A: Mushroom belongs to Basidiomycota. The top part of a mushroom is called the cap. This cap looks…

Q: Give the significance of mycorrhizal association to the host plant and to the fungi.

A: A mycorrhiza is a symbiotic association between a fungus and the host plant. More than 90% of all…

Q: Indoor plants have poor arbuscular mycorrhizal colonization as compare to plants grown in open area.…

A: The cortical cells of the roots of the plant are penetrated by a type of symbiotic fungus that is…

Q: Describe what cellular structures must be present in a Euglena if they are able to feed both…

A: The cells are the primary unit of life. Based on the number of cells the organism may be unicellular…

Q: Differentiate erectophile from planophile plants. In relation to crop production, which plant will…

A: The vegetation of plant species can be classified as erectophile and planophile. Erectophile are…

Q: Give the different types of mycorrhizal associations and determine the importance of these…

A: The word mycorrhiza can be split into “Myco-'' meaning fungus and “rhiza” meaning roots. Therefore,…

Q: A mature amoebae cyst that has four ring-like nuclei could be a) Entamoeba histolytica b) Entamoeba…

A: Entamoeba histolytica has two types of forms - Cyst that is infectious  Invasive trophozoite…

Q: Gossypium spp. are the source of which of the following? O wool O jute O rayon cotton O linen

A: Various types of fibers are utilized for making clothing. These fibers can be obtained from plant or…

Q: To an alga, what is the main advantage of producing drought-resistant structures?

A: An alga (plural - algae) is a type of eukaryotic organism. This can be both multicellular and…

Q: Compare and contrast the relationship between Rhizobium and Agrobacterium spp. and plants

A: Rhizobium sp. are gram-negative endosymbiotic bacteria seen in close relationship with legumes.…

Q: Explain the method and procedure of collection and storage of Echinolone from echinacea plant root.

A:

Q: Why is BHIB commonly used in culturing root canal specimen?

A: The root canal is one of the endodontic lesions in the dental procedure of removing the tooth's…

Q: Which of the following symbioses aids in the absorption of water and phosphate from soil?

A: Mycorrhizal symbiosis is an association between a green plant and a fungus. The plants synthesizes…

Q: what type of stem modification does: -Pistia stratiotes -Calotropis gigantea

A: Stem modification -  Pistia stratiotes it is a type of floating plant ie a freshwater invasive…

Q: What are the conditions necessary for the fixation of atmospheric nitrogen by Rhizobium? What is…

A: Rhizobium is the gram negative bacteria found in the soil .  It is the symbiotic bacteria that forms…

Q: What is a mycorrhizal association? What benefit does the plant derive from the association?

A: Symbiosis is the coexistence of one or more organisms. Partnerships for mutual benefit are referred…

Q: Which of the following statements is true regarding mycorrhizal relationships?     this…

A: Symbiosis is the interaction in which there are found mutual relationship between two organisms.

Q: How many times more resistant were B. megaterium spores than S. epidermidis vegetative cells?

A: Both Staphylococcus epidermidis and Bacillus megaterium are gram-positive bacteria.

Q: escribe the similarities between the establishment of arbuscular mycorrhizae and legume root…

A: Both are the examples of Symbiotic Relationship. - It is defined as a relationship or evolved…

Q: Explain the relationship between genome size and growth requirements of mycoplasmas. Why is genome…

A: Microorganisms are abundant in nature and are microscopic organisms that cannot be seen through the…

Q: Explain in detail acrosomal reaction and the role of calcium in this process

A: Fertilization is the fusion of gametes to give rise to new individual organism or offsprings.Other…

Q: Clamp connection is found in (a) basidiomycetes (b) ascomycetes (c) saccharomycetes (d) haplomycetes

A: The clamp connection is a type of formation created by the cells of hyphae of a certain type of…

Q: Which of the following statements are correct about nodule formation by Rhizobium species? P. Nodule…

A: Rhizobium is a nitrogen fixing bacteria. It is showing symbiotic interactions with the legume…

Q: Propose two potential functions for mycorrhization helper bacteria.

A: Mycorrhiza is the symbiotic association between the fungi and the roots of higher plants. In this,…

Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.